/*index.css*/
/*demo.css*/
* {
  padding: 0;
  margin: 0;
}
ul li {
  list-style-type: none;
}
.box {
  position: relative;
  width: 2.3rem;
  height: 1rem;
  background-color: pink;
  margin-left: 2rem;
  margin-top: 0.5rem;
}
.box ul {
  position: absolute;
  top: 0;
  left: 0;
  width: 6.2rem;
  height: 100%;
}
.box ul li {
  float: left;
  width: 1rem;
  height: 100%;
  margin-left: 0.3rem;
  font-size: 0.12rem;
}
.box ul li:nth-child(1) {
  margin-left: 0;
}
.leftBtn {
  margin-left: 2.4rem;
}

